A4 Harnessing chemicals advance planning page 1
TWENTY FIRST CENTURY SCIENCE
Applied Science A4 Harnessing chemicals
Technicians’ advance planning sheets
This table shows items that may need to be ordered in advance for this
module. It does not list standard items, such as test-tubes and OHT pens.
Full details of the resources needed for each activity are given in the Requirements
section of the Teacher & Technician notes published by OUP, which also include
safety information for the activity.
Activity
Item(s)
Quantity per
student / group
of students, or
for the teacher
Notes
AA4.1
Selection of containers
of healthcare products
OTC medicines
1
Prescription medicines
1
e.g. antiseptics, iron
tablets.
e.g. aspirin, cough linctus,
antacids.
A local pharmacy may be
able to provide suitably
labelled empty containers.
AA4.2
Range of containers for
commercial paints and
cosmetics
1
Include a range of
mixtures that include
solutions, solid mixtures
and emulsions. Include
sunblocks and
sunscreens.
AA4.3
Range of food packets
1
Make sure ingredients are
listed.
AA4.4
Sand damp with sea
water or salty water
Dilute nitric acid (less
than 0.4 mol/litre)
Dilute silver nitrate
(about 0.1 mol/litre or 2 g
in 100 cm3.
AA4.5
Copper sulfate
AA4.6
Plant material (lavender
and orange rind)
1
Few drops
Few drops
See safety information in
the Teachers notes.
6g
Harvest lavender blooms
and stalks in July, hang to
dry for future use. Use
only the outer orange
coloured rind which needs
to be fresh.
1
A4 Harnessing chemicals advance planning page 2
Activity
Item(s)
Quantity per
student / group
of students, or
for the teacher
AA4.8
2 indicators in dropping
bottles selected
from:methyl orange,
bromothymol blue, litmus
or phenolphthalein
Universal indicator &
charts
Limewater (calcium
hydroxide), dilute sodium
hydroxide, dilute
potassium hydroxide,
dilute hydrochloric acid,
dilute nitric acid, dilute
sulfuric acid
2-3 drops
Small pieces of
magnesium
Black copper oxide
2
AA4.9
Small marble chips
Dilute hydrochloric (2
mol/litre)
Dilute ethanoic acid
AA4.10
AA4.11
Notes
2-3 drops
2 cm3 of each
Small spatula
measure
4
15 cm3
15 cm3
Silver nitrate (1 g in 100
cm3)
Sodium Nitrate (2 g in
100 cm3)
Lead Nitrate (6.5 g in
100 cm3)
Barium chloride (5 g in
100 cm3)
Copper sulphate (5 g in
100 cm3)
2-3 cm3
Selection of containers
with hazard labels
1
2-3 cm3
2-3 cm3
2-3 cm3
2-3 cm3
2
Use solutions of alkali that
are 0.4 mol/litre or below.
See safety information in
the Teachers notes.
A4 Harnessing chemicals advance planning page 3
Activity
Item(s)
Quantity per
student / group
of students, or
for the teacher
Notes
AA4.13
Large marble chips (20
g)
1
Small marble chips (20
g)
1
See technical notes
regarding treatment of
marble chips prior to use.
See technical notes
regarding treatment of
marble chips prior to use.
Dilute hydrochloric acid,
(2 mol/litre labelled 75
g/litre)
80 cm3
Magnesium ribbon (30
mm strip)
Small piece of emery
paper
Dilute hydrochloric acid
(2 mol/litre)
2
Sodium thiosulfate
solution (40 g/litre)
Dilute hydrochloric acid
(2 mol/litre)
60 cm3
Potassium iodide
solution (33 g/litre)
Sodium thiosulfate
solution (2.5 g/litre)
Fresh starch solution
(0.5 g in 250 cm3
solution)
Potassium
peroxodisulfate
(persulfate) saturated
solution
Copper sulphate solution
(2.5 g in 100 cm3)
Iron (II) sulphate solution
(3 g in 100 cm3 of 1.0
mol/litre sulphuric acid)
40 cm3
Iron (III) chloride solution
(3 g in 100 cm3 of water
acified with dilute
hydrochloric acid
3 drops
AA4.14
AA4.15
AA4.16
AA4.16
1
75 cm3
40 cm3
40 cm3
20 cm3
80 cm3
3 drops
3 drops
3
A4 Harnessing chemicals advance planning page 4
Activity
Item(s)
Quantity per
student / group
of students, or
for the teacher
AA4.17
Magnesium carbonate
(basic)
4g
Zinc oxide
AA4.18
AA4.19
Pigments
5g
Dilute sulphuric acid (1.0
mol/litre, 50 cm with
measuring cylinder)
50 cm3
Potassium hydroxide
solution, 2 mol/litre (112
g/litre)
1 litre for class
Hydrochloric acid, 2.0
mol/litre (73 g/litre)
1 litre for class
Indicator solution in
dropper bottle (methyl
orange or
phenolphthalein)
Class set
Charcoal powder
1 container
Copper (II) sulphate-5water
1g
Sodium hydrogen
carbonate
Hydrated iron (III)
chloride
Notes
Provide sample
in 100 cm3
beaker
2.7 g
Potassium
hexacyanoferrate (II)
2.1 g
AA4.19
Cobalt (II) chloride
2.0 g
Pigments Sodium
1.3 g
hydrogenphosphate
AA4.19
Calcium chloride-6-water 5 g
Antacids crystals
Magnesium sulphate-76g
water crystals
Sodium carbonate,
10 g
anhydrous
AA4.22
Glucose
Brewers yeast
5g
1g
4
Fresh or dried brewers’
yeast(saccharomyces
cerevisiae) may be used,
a general wine- making
strain.
A4 Harnessing chemicals advance planning page 5
Activity
Item(s)
Quantity per
student / group
of students, or
for the teacher
AA4.23
Ethanol
Ethanoic acid
(concentrated)
Concentrated sulphuric
acid
Sodium carbonate
solution (3 g in 10 cm3
water)
Calcium chloride
solution (5 g in 10 cm3
water)
1
1
AA4.23
1
1
1
Anhydrous calcium
chloride
Selection of 4 or 5
primary alcohols
Selection 4 or 5 pure
carboxocylic acids
AA4.26
Notes
Small beaker
with a dropping
pipette
Small beaker
with a dropping
pipette
Concentrated Sulphuric
acid
Small beaker
with a dropping
pipette
10 % sodium carbonate
solution
90 cm3
Solid citric acid crystals
30 cm3
Solid tri-sodium citrate
30 cm3
Full range indicator
solution in dropper bottle
1
Dilute hydrochloric acid
(0.01 mol/litre)
Dilute sodium hydroxide
(0.01 mol/litre)
See requirements list for
suggestions of primary
alcohols and carboxylic
acids.
Few drops
Few drops
Examples need to show
that they contain an
acidity regulator (e.g. pHbalanced shampoos, eyecare products).
Selection of food
packets, household
cleaners and health
products
5
A4 Harnessing chemicals advance planning page 6
Activity
Item(s)
Quantity per
student / group
of students, or
for the teacher
AA4.27
Sodium chloride
1 beaker
Potassium chloride
1 beaker
AA4.28
Part A
A range of packs of
antacid tablets,
suspensions, or powders
AA4.28
Part B
Magnesium carbonate
1 beaker
Calcium carbonate
1 beaker
Magnesium sulphate
crystals
1 container
AA4.28
Part C
Sodium hydroxide
pellets
Notes
Sample salt made in
Activity AA4.18 can be
used.
Sample salt made in
activity AA4.19 can be
used.
1 container
Light magnesium oxide
Barium chloride solution
(0.1 mol/litre in dropper
bottle)
1 container
several
Dilute nitric acid (0.4
mol/litre)
AA4.28
Part D
Dilute hydrochloric acid
(0.5 mol/litre)
Methyl orange (or
screened methyl orange
in dropper bottle
AA4.29
Iron (III) oxide, zinc
oxide, charcoal, yellow
sand or crushed
yellowish dried clay,
synthetic malachite,
prussian blue, cobalt
violet
PVA glue
Enough to fill a
burette
1
Small sample of
each in a 100
cm3 is sufficient
Sample in 250
cm3 beaker
6
May use a commercial
antacid tablet, one tablet
made from part B or a 10
cm3 dose of magnesium
hydroxide mixture from
part C.
Synthetic malachite,
Prussian blue and cobalt
violet are pigments saved
from AA4.19.
A4 Harnessing chemicals advance planning page 7
Activity
Item(s)
Quantity per
student / group
of students, or
for the teacher
AA4.30
Part A
Magnesium sulphate (or
Epsom salts)
Sodium
hydrogencarbonate (or
baking soda)
Sodium chloride (or
cooking salt)
Selection of food colours
Selection of perfumes
1 measure
Detergent solution, 27 %
solution of sodium lauryl
ether sulphate (laureth
sulphate)
Sodium chloride
Selection of food colours
Selection of perfumes
50 cm3
Stearic acid
Glycerol (propan-1-2-3triol)
Potassium hydroxide
solution, 1 g in 100 cm3
Sample of perfume,
greasepaint, cotton wool
15 g
8g
Potassium hydroxide
pellets
Phthalic anhydride
Narrow-range indicator
or pH sensor and meter
Burette with hydrochloric
acid (0.1 mol/litre)
Burette with sodium
hydroxide solution (0.1
mol/litre)
Chemical catalogue or a
list of prices
7g
AA4.30
Part B
AA4.30
Part C
AA4.31
2 measures
1 measure
Small sample
76 cm3
18.5 g
7
Notes
A4 Harnessing chemicals advance planning page 8
Activity
Item(s)
Quantity per
student / group
of students, or
for the teacher
Notes
AA4.34
50 cm3 syringe barrel
with a short tube and
tube clip
Mineral wool or circle of
green kitchen scourer
Immobilised glucose
isomerase enzyme
(sweetzyme)
Glucose solution (4 %,
50 cm3 in a container
Semi-quantitive glucose
test strips (e.g. clinistix)
1
This experiment can
alternatively be carried out
as a demonstration. Refer
to guidance AA4.34.
Samples of the following
containers for teacher
only: Hexane, methanol,
ethanol, methanoic acid,
ethanoic acid, ethyl
ethanoate
1
IA4.3
1
5g
10 cm3
5
Sweetzyme obtained from
NCBE (01189 873743).
© in this format University of York (UYSEG) and Nuffield Foundation 2006
8